809085102 has 32 divisors (see below), whose sum is σ = 1854857472. Its totient is φ = 230477184.

The previous prime is 809085083. The next prime is 809085149. The reversal of 809085102 is 201580908.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14428 + ... + 42735.

It is an arithmetic number, because the mean of its divisors is an integer number (57964296).

Almost surely, 2^809085102 is an apocalyptic number.

809085102 is an abundant number, since it is smaller than the sum of its proper divisors (1045772370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

809085102 is a wasteful number, since it uses less digits than its factorization.

809085102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57512.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 809085102 is about 28444.4212808065. The cubic root of 809085102 is about 931.8186565028.

The spelling of 809085102 in words is "eight hundred nine million, eighty-five thousand, one hundred two".